Oh yes, I was a bit unclear but I meant two processes (from the same binary) communicating. Without that condition, you've got all the original problems, as li

Oh yes, I was a bit unclear but I meant two processes (from the same binary) communicating. Without that condition, you've got all the original problems, as listed. You can also have incompatibilities between compilers, or even compiler versions - e.g. gcc has ABI changes between some versions.